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KMID : 0371320120830030162
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Journal of the Korean Surgical Society
2012 Volume.83 No. 3 p.162 ~ p.170
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Renal and abdominal visceral complications after open aortic surgery requiring supra-renal aortic cross clamping
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Yang Shin-Seok
Park Keun-Myoung
Roh Young-Nam
Park Yang-Jin
Kim Dong-Ik
Kim Young-Wook
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Abstract
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Purpose: The aim of this study was to assess renal or abdominal visceral complications after open aortic surgery (OAS) requiring supra-renal aortic cross clamping (SRACC).
Methods: We retrospectively reviewed the medical records of 66 patients who underwent SRACC. Among them, 17 followed supra-celiac aortic cross clamping (SCACC) procedure, 42 supra-renal, and 7 inter-renal aorta. Postoperative renal, hepatic or pancreatic complications were investigated by reviewing levels of serum creatinine and hepatic and pancreatic enzymes. Preoperative clinical and operative variables were analyzed to determine risk factors for postoperative renal insufficiency (PORI).
Results: Indications for SRACC were 25 juxta-renal aortic occlusion and 41 aortic aneurysms (24 juxta-renal, 12 supra-renal and 5 type IV thoraco-abdominal). The mean duration of renal ischemic time (RIT) was 30.1 ± 22.2 minutes (range, 3 to 120 minutes). PORI developed in 21% of patients, including four patients requiring hemodialysis (HD). However, chronic HD was required for only one patient (1.5%) who had preoperative renal insufficiency. RIT ≥ 25 minutes and SCACC were significant risk factors for PORI development by univariate analysis, but not by multivariate analysis. Serum pancreatic and hepatic enzyme was elevated in 41% and 53% of the 17 patients who underwent SCACC, respectively.
Conclusion: Though postoperative renal or abdominal visceral complications developed often after SRACC, we found that most of those complications resolved spontaneously unless there was preexisting renal disease or the aortic clamping time was exceptionally long.
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KEYWORD
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Renal insufficiency, Visceral ischemia, Abdominal aortic aneurysm, Aortic occlusive disease, Suprarenal aortic cross clamping
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